package com.me.iterator;

import java.util.Iterator;


public class ComputerCollegeIterator implements Iterator {

    /**
     * 这里我们需要Department是以怎样的方式存放=>数组
     */
    Department[] departments;

    /**
     * 遍历的位置
     */
    int position = 0;

    public ComputerCollegeIterator(Department[] departments) {
        this.departments = departments;
    }

    /**
     * 判断是否还有下一个元素
     *
     * @return
     */
    @Override
    public boolean hasNext() {
        if (position >= departments.length || departments[position] == null) {
            return false;
        } else {
            return true;
        }
    }

    @Override
    public Object next() {
        Department department = departments[position];
        position++;
        return department;
    }

    /**
     * 删除的方法，默认空实现
     */
    @Override
    public void remove() {
    }

}
